题目内容

1
3
+
1
3
=
 
      
7.2÷0.3=
 
          
5
4
-1=
 
4
5
+0.2=
 
         
5
8
-
1
8
=
 
         
8
9
-
1
9
=
 
1
2
-
1
3
=
 
       
0.54÷9=
 
          
1÷0.25=
 
0.38×2=
 
        
3
5
-
3
5
=
 
              
 
1
6
+
2
3
=
 
11
14
-
9
14
=
 
         
8.1÷0.09=
 
          
2
3
-
1
3
=
 
2.5×0.6=
 
       
 0.67+0.3=
 
        
12×0.5=
 
考点:分数的加法和减法,小数乘法,小数除法
专题:计算题
分析:根据分数加减法,以及小数四则计算的方法进行求解.
解答: 解:
1
3
+
1
3
=
2
3
      
7.2÷0.3=24          
5
4
-1=
1
4
4
5
+0.2=1         
5
8
-
1
8
=
1
2
         
8
9
-
1
9
=
7
9
1
2
-
1
3
=
1
6
       
0.54÷9=0.06           1÷0.25=4
0.38×2=0.76        
3
5
-
3
5
=0              
 
1
6
+
2
3
=
5
6
11
14
-
9
14
=
1
7
         
8.1÷0.09=90          
2
3
-
1
3
=
1
3
2.5×0.6=1.5         0.67+0.3=0.97         12×0.5=6.
故答案为:
2
3
,24,
1
4
,1,
1
2
7
9
1
6
,0.06,4,0.76,0,
5
6
1
7
,90,
1
3
,1.5,0.97,6.
点评:本题考查了简单的运算,要注意根据运算法则快速准确的得出答案.
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